Refrain from reckless and thoughtless actions. Be as calm and judicious as a mountain.
To help others to develop and succeed in life is a reward itself and only has value when nothing is expected in return.
Time waits for no man.
Pain is the best instructor, but no one wants to go to his class.
A true Grandmaster is a person who starts the arts at a very young age and continues it until their body will no longer allows it. Then they still contribute mentally to the art.